Data Platform Engineer

About MercorMercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models. Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You'll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.What This Person OwnsThe infrastructure every data-driven team at Mercor runs on: Snowflake, Fivetran, Airflow, and Hex. You own how data is organized, who can access what, what it costs to run, and how reliably it operates. This is a foundational hire on a new Data Platform team, you'll help set the standards other engineers build against.What They Do Day-to-DayBring structure and clear ownership to how data is organized in Snowflake across projects and teamsDesign narrow, role-based access controls, and partner with automation so access is granted and revoked as people join, change teams, or leaveExtend row access policies and PII masking across all sensitive datasetsMigrate data from a variety of vendor and internal sources into properly owned, governed homesOwn Fivetran connector health and cost, Airflow/Astronomer pipeline reliability and on-call, and Hex governance across company-wide dashboardsMonitor and right-size Snowflake warehouse spendHelp build CDC/streaming ingestion and other internal data platform toolingWhat We're Looking ForHands-on experience with Snowflake administration: roles, grants, warehouses, cost/performance tuningExperience designing data access and governance models (RBAC, row-level security, PII) at scaleComfort owning vendor tooling end to end (Fivetran, Airflow/Astronomer, or similar), including on-callTrack record migrating or re-architecting live production data systems without breaking dependent teamsStrong SQL and Python, with infrastructure fluency to make judgment calls, not just execute a specExperience owning CDC/streaming pipelines in production (Debezium, Kafka, Snowpipe Streaming or similar), including reasoning about delivery semantics, partitioning, and safe cutovers between systems.BenefitsBi-annual performance bonus structureGenerous equity grant vested over 4 yearsUp to $15k Relocation bonus$10K housing bonus (if you live within 0.5 miles of our office)$1.5K monthly stipend for mealsFree Equinox membership$200 monthly laundry reimbursement$200 monthly personal wellness reimbursementHealth, Dental, Vision insurance